stock needle settings are:
1 3/4 on top end
low end flush with carb body
mid needle, just dont touch it
i use fuels with 16% nitro and 10% oils
any more oil and the engine just cant perform as well and over heats
i run the tz with temps in about the 115 degrees celsius range and i get about just under 6 mins run time
im not sure how my mod tz will go .. ill let you this weekend after its first race